Files
snk/packages/compute/generateGrid.ts
platane e637604df1 🚀 benchmark
2020-07-21 18:15:41 +02:00

26 lines
613 B
TypeScript

import { Grid, Color, setColor, createEmptyGrid } from "./grid";
const defaultRand = (a: number, b: number) =>
Math.floor(Math.random() * (b - a)) + a;
export const generateRandomGrid = (
width: number,
height: number,
options: { colors: Color[]; emptyP: number } = {
colors: [1, 2, 3],
emptyP: 2,
},
rand = defaultRand
): Grid => {
const grid = createEmptyGrid(width, height);
for (let x = width; x--; )
for (let y = height; y--; ) {
const k = rand(-options.emptyP, options.colors.length);
if (k >= 0) setColor(grid, x, y, options.colors[k]);
}
return grid;
};